/*
 * This file Copyright (c) 2015. Walle.
 * (http://www.wallellen.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the
 * Walle Agreement (WA) and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or WA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Walle Agreement (WA), this file
 * and the accompanying materials are made available under the
 * terms of the WA which accompanies this distribution, and
 * is available at http://www.wallellen.com/agreement.html
 *
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 */

package com.wallellen.web.tag;

import com.wallellen.authority.AuthorityServiceImpl;
import com.wallellen.core.AuthorityService;
import com.wallellen.core.auth.domain.AuthKey;
import com.wallellen.web.constant.Constant;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
import java.util.Set;

public class AuthorityForUser extends TagSupport {
    private String actionName;
    /**
     *
     */
    private static final long serialVersionUID = 1L;

    @Override
    public int doEndTag() throws JspException {
        return EVAL_PAGE;
    }

    @SuppressWarnings("unchecked")
    @Override
    public int doStartTag() throws JspException {
        HttpServletRequest request = (HttpServletRequest) pageContext
                .getRequest();
        Set<String> usraction = ((Set<String>) request.getSession()
                .getAttribute(Constant.SESSION_USERACTION));
        AuthorityService farmAuthService = AuthorityServiceImpl.getInstance();
        AuthKey authKey = farmAuthService.getAuthKey(actionName);
        // 权限未注册或用户有权限或权限不检查
        if (authKey == null || !authKey.isCheck()
                || (usraction.contains(actionName) && authKey.isUseAble())) {
            return EVAL_BODY_INCLUDE;
        }
        return SKIP_BODY;
    }

    public String getActionName() {
        return actionName;
    }

    public void setActionName(String actionName) {
        this.actionName = actionName;
    }

}
